(a) 處理公眾對環境保護，尤其水質素事項的投訴及查詢；並跟進處理例如與其他政府部門聯絡，發出勸諭信及回覆投訴人／查詢人；
(b) 履行處理污染投訴和執行環保法例的職務，例如根據不同法規要求進行監查；
(c) 進行實地視察及／或提供辦公室技術支援，包括進行污染源調查，環境採樣和分析，調查／監察並為專業人員分析及提交調查結果；
(d) 在日常運作中監督初級職員；
(e) 監督考察小組進行污染源調查；以及
(f) 執行上級人員分配的技術／行政職務。

其他相關的工作要求：工作時間及地點須視乎部門的運作需要而定。獲錄用者或需(a)不定時及超時工作，包括在晚上、周末和公眾假期工作；以及(b)不時在戶外及偏遠地區工作。

(a) To handle public complaints and enquiries related to environmental protection matters, in particular matters related to water quality; and to take follow up actions such as liaising with other departments, issuing advisory letters and replies to complainants/enquirers;
(b) To perform duties associated with pollution complaint handling and the enforcement of environmental protection legislation, e.g. conducting compliance inspections under various legislative requirements;
(c) To provide field monitoring and/or office based technical support, including undertaking pollution source surveys, environmental sampling and analysis and investigations/inspections and interpreting and presenting results for professional staff;
(d) To supervise staff for daily operations;
(e) To supervise field teams for pollution source surveys; and
(f) To perform other technical/administrative duties as assigned by the supervisors when required.

Other Job-related Requirements: The hours and venues of work may be varied having regard to the operational needs of the department. The successful candidate may be required to (a) work during irregular hours and overtime, including evenings, weekends and public holidays; and (b) work occasionally outdoors and in remote location.